VS-301CNQ045PBF

Diode Arrays Overview

The VS-301CNQ045PBF is a high-performance Schottky rectifier module manufactured by Vishay Semiconductors. It features a center tap configuration with two diodes in a common cathode arrangement, housed in a TO-244 package. The device supports a maximum DC reverse voltage of 45 V and provides a total average forward current rating of 300 A (150 A per leg). Key electrical characteristics include a maximum forward voltage drop of 0.90 V at 300 A and 125 °C, and a peak non-repetitive surge current capability of 16,000 A. The module is designed for operation across a junction temperature range of -55 °C to +175 °C.

Diode Arrays Feature Summary

• Proprietary barrier technology enables reliable operation up to 175 °C junction temperature while maintaining low reverse leakage at elevated temperatures.
• Guard ring structure enhances ruggedness and ensures long-term reliability under demanding operating conditions.
• Low forward voltage drop design optimizes efficiency for high-frequency switching applications.

Diode Arrays Applications

• High current switching power supplies
• Plating power supplies
• Uninterruptible Power Supply (UPS) systems
• DC-DC converters
• Freewheeling diodes

Diode Arrays Procurement Notes

Verify the specific part number suffix against official documentation to confirm compliance with lead-free specifications and RoHS directives. Confirm that the TO-244 mounting dimensions align with the intended heatsink interface. Ensure thermal management strategies account for the specified junction-to-case thermal resistance values to maintain safe operating temperatures within the rated limits.

Diode Arrays Selection Notes

Select this component when designing circuits requiring high current handling capabilities combined with fast switching speeds. The dual common cathode topology is suitable for center-tapped transformer configurations. Evaluate the thermal environment to ensure the case temperature remains within allowable limits during continuous operation at full load currents.

Diode Arrays Part Context

This device belongs to the VS-301CNQ...PbF series of high-performance Schottky rectifiers from Vishay Semiconductors. The series is engineered for industrial-level applications where robust performance and high reliability are critical. The specific model utilizes silicon technology optimized for low reverse leakage and high temperature stability.

Diode Arrays Replacement Considerations

Direct replacements must match the 45 V reverse voltage rating, 300 A total current capacity, and TO-244 package outline. Verify that alternative components support the required 175 °C junction temperature rating and possess compatible electrical characteristics for forward voltage drop and surge current handling.

Diode Arrays FAQ

What is the maximum non-repetitive surge current rating?

The maximum peak one-cycle non-repetitive surge current is 16,000 A for a 5 μs sine wave or 3 μs rectangular pulse.

How is the thermal resistance defined for this module?

The thermal resistance from junction to case is 0.28 °C/W per leg and 0.14 °C/W for the entire module.

What is the typical series inductance per leg?

The typical series inductance per leg is 7.0 nH, measured from the top of the terminal hole to the mounting plane.